The St. Mary School System is a coeducational, interparochial Catholic school system of the Diocese of Owensboro.
We are a community composed of parents, guardians, students (PreK - 12), administrators, faculty and support staff which fosters a Christian environment with emphasis on the pursuit of excellence.
This is accomplished through a commitment to the tradition of integrating Christian values with challenging academic and extracurricular activities in a disciplined environment.
Quick Facts (2025-26)
- Top Ranked KY School
- Grades: Prekindergarten-12
- Enrollment: 451 students
- Yearly Tuition: $6,790
- Acceptance rate: 80%
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Mary School System ranks among the top 20% of private schools in Kentucky for:
Category
Attribute
Student Body
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-12
Year Founded
1965
Colors
Blue, Yellow, Gold
School Calendar
Student Body
Total Students
451 students
Student Body Type
Co-ed
% Students of Color
12%
State avg.: 13%
Students by Grade
Academics and Faculty
Total Classroom Teachers
43 teachers
Student-Teacher Ratio
10:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Acceptance Rate
80%
National avg.: 81%
Application URL
Sports
Total Sports Offered
10 sports
School Notes
- The St. Mary School System is a coeducational, interparochial Catholic school system of the Diocese of Owensboro. We are a community composed of parents, guardians, students (PreK - 12), administrators, faculty and support staff which fosters a Christian environment with emphasis on the pursuit of excellence. This is accomplished through a commitment to the tradition of integrating Christian values with challenging academic and extracurricular activities in a disciplined environment.
- Sample of notable school alumni/alumnae:
- Pope Francis, Cardinal of Argentina -
- Catherine Ingram, Notable Author -
Source: Verified school update
Frequently Asked Questions
How much does St. Mary School System cost?
St. Mary School System's tuition is approximately $6,790 for private students.
What schools are St. Mary School System often compared to?
St. Mary School System is often viewed alongside schools like Community Christian Academy K-12 by visitors of our site.
What is the acceptance rate of St. Mary School System?
The acceptance rate of St. Mary School System is 80%, which is lower than the national average of 84%.
Who are famous alumni from St. Mary School System?
St. Mary School System famous alumni include: Pope Francis, Cardinal of Argentina and Catherine Ingram, Notable Author.
What sports does St. Mary School System offer?
St. Mary School System offers 10 interscholastic sports: Baseball, Basketball, Cheering, Cross Country, Golf, Soccer, Softball, Tennis, Track and Field and Volleyball.
What is St. Mary School System's ranking?
St. Mary School System ranks among the top 20% of private schools in Kentucky for: Largest student body.
When is the application deadline for St. Mary School System?
The application deadline for St. Mary School System is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse St. Mary School System. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles
When to Apply to Private School, Admissions Deadlines for January and Fall
Learn when to apply to private school with clear guidance on admissions timelines, deadlines, and January and fall intake options.
Sliding-Scale & Income-Based Tuition Models for Private Schools
Learn how sliding-scale and income-based tuition models work and whether they are right for your family. Compare costs, eligibility, and school options.
2025 Private School Costs in the U.S.: What Families Should Expect
Updated 2025 U.S. private school tuition averages, cost breakdowns, and expert insights to help parents and students budget wisely.

